chore: use short handle for process.nextTick

lib/readyHandler.js

@@ -57,14 +57,14 @@ function readyHandler (client) {
       if (!client.closing) {
         // TODO: These internal things should be wrapped in a
         // special error that describes what is happening
-        process.nextTick(() => client.emit('error', err))
+        process.nextTick(client.emit, 'error', err)
       }
     })
   }
   if (client.monitoring) { // Monitor has to be fired before pub sub commands
     client.internalSendCommand(new Command('monitor', [])).catch((err) => {
       if (!client.closing) {
-        process.nextTick(() => client.emit('error', err))
+        process.nextTick(client.emit, 'error', err)
       }
     })
   }
@@ -86,7 +86,7 @@ function readyHandler (client) {
         const args = client.subscriptionSet[key]
         client[command]([args]).catch((err) => {
           if (!client.closing) {
-            process.nextTick(() => client.emit('error', err))
+            process.nextTick(client.emit, 'error', err)
           }
         })
       }

lib/utils.js

@@ -103,9 +103,7 @@ function replyInOrder (client, callback, err, res, queue) {
     commandObj = client.offlineQueue.peekBack() || client.commandQueue.peekBack()
   }
   if (!commandObj) {
-    process.nextTick(() => {
-      callback(err, res)
-    })
+    process.nextTick(callback, err, res)
   } else {
     const tmp = commandObj.callback
     commandObj.callback = function (e, r) {